A set of keys on the desk. Some boxes on the desk, too.
| A．are, are | B．is, are |
| C．is, is | D．is, am |
Our country _____great progress in science and culture in recent years.
| A．makes | B．has made | C．made | D．make |
The earth _____ around the sun.
| A．moves | B．moved | C．has moved | D．was moving |
When we went into the park, we saw someone _____ Chinese Kungfu.
| A．plays | B．played | C．to play | D．playing |
——How about going hiking this weekend?
——Sorry, I prefer _____ rather than _____.
| A．to stay at home; go out | B．to go out; stay at home |
| C．staying at home; go out | D．going out; stay at home |
——Have you ever _____ Hangzhou to see the West Lake? ——Yes, I have.
| A．went to | B．gone to | C．been in | D．been to |